Logging from Kubernetes is not formatted correctly

[espadolini]

Expected behavior:
Logs pertaining to Kubernetes (coming from the Proxy service and the Kubernetes service) should be formatted like other log lines.

Current behavior:
Logs pertaining to Kubernetes are formatted according to the standard logrus formatting:

Bug details:

• Teleport version: 11.0.0-beta.2

Proxy logs (format json, output to terminal, INFO and trace.component are displayed in cyan)

{"caller":"cache/cache.go:823","component":"proxy:4:cache","level":"warning","message":"Re-init the cache on error: watcher is closed: error reading from server: EOF.","timestamp":"2022-10-17T11:50:50+02:00"}
INFO[1991] Round trip: GET https://kube.teleport.cluster.local/version?timeout=32s, code: 200, duration: 41.405ms tls:version: 304, tls:resume:false, tls:csuite:1301, tls:server:kube.main.wet-dry.world  trace.component="proxy:proxy:kube"
{"caller":"services/watcher.go:246","component":"proxy","level":"warning","message":"Restart watch on error: watcher is closed: watcher closed.","pid":"57930.4","resource-kind":"cert_authority","timestamp":"2022-10-17T11:50:53+02:00"}
INFO[1992] Round trip: GET https://kube.teleport.cluster.local/version?timeout=32s, code: 200, duration: 61.6ms tls:version: 304, tls:resume:false, tls:csuite:1301, tls:server:kube.main.wet-dry.world  trace.component="proxy:proxy:kube"
{"caller":"services/watcher.go:246","component":"proxy","level":"warning","message":"Restart watch on error: watcher is closed: error reading from server: EOF.","pid":"57930.4","resource-kind":"lock","timestamp":"2022-10-17T11:50:54+02:00"}
{"caller":"services/watcher.go:246","component":"proxy","level":"warning","message":"Restart watch on error: watcher is closed: watcher closed.","pid":"57930.4","resource-kind":"node","timestamp":"2022-10-17T11:50:54+02:00"}
{"caller":"services/watcher.go:246","component":"proxy:4","level":"warning","message":"Restart watch on error: watcher is closed: watcher closed.","pid":"57930.4","resource-kind":"proxy","timestamp":"2022-10-17T11:50:55+02:00"}
INFO[1994] Round trip: GET https://kube.teleport.cluster.local/version?timeout=32s, code: 200, duration: 52.49ms tls:version: 304, tls:resume:false, tls:csuite:1301, tls:server:kube.main.wet-dry.world  trace.component="proxy:proxy:kube"
INFO[1997] Round trip: GET https://kube.teleport.cluster.local/api?timeout=32s, code: 200, duration: 72.175ms tls:version: 304, tls:resume:false, tls:csuite:1301, tls:server:kube.main.wet-dry.world  trace.component="proxy:proxy:kube"
INFO[1997] Round trip: GET https://kube.teleport.cluster.local/apis?timeout=32s, code: 200, duration: 40.97ms tls:version: 304, tls:resume:false, tls:csuite:1301, tls:server:kube.main.wet-dry.world  trace.component="proxy:proxy:kube"

teleport-kube-agent pod logs (default text formatting):

2022-10-17T09:51:45Z INFO [UPLOAD:1]  Creating directory /var/lib/teleport/log/upload/streaming. pid:7.1 service/service.go:2501
2022-10-17T09:51:45Z INFO [UPLOAD:1]  Creating directory /var/lib/teleport/log/upload/streaming/default. pid:7.1 service/service.go:2501
2022-10-17T09:51:49Z WARN             Inventory control stream failed: inventory control stream closed: control streams do not support impersonation ("e342d190-62ea-4e75-8999-82bb4759cf39" -> "a7be082a-3a79-44da-850f-53a6f1a35ade") inventory/inventory.go:146
time="2022-10-17T09:51:50Z" level=info msg="Round trip: GET https://10.96.0.1:443/api/v1/namespaces/teleagent/pods?limit=500, code: 200, duration: 10.888083ms tls:version: 304, tls:resume:false, tls:csuite:1301, tls:server:kube.teleport.cluster.local" trace.component=kubernetes
time="2022-10-17T09:51:51Z" level=info msg="Round trip: GET https://10.96.0.1:443/api/v1/namespaces/teleagent/pods?limit=500, code: 200, duration: 8.212291ms tls:version: 304, tls:resume:false, tls:csuite:1301, tls:server:kube.teleport.cluster.local" trace.component=kubernetes
time="2022-10-17T09:51:52Z" level=info msg="Round trip: GET https://10.96.0.1:443/api/v1/namespaces/teleagent/pods?limit=500, code: 200, duration: 11.704542ms tls:version: 304, tls:resume:false, tls:csuite:1301, tls:server:kube.teleport.cluster.local" trace.component=kubernetes
time="2022-10-17T09:51:53Z" level=info msg="Round trip: GET https://10.96.0.1:443/api/v1/namespaces/teleagent/pods?limit=500, code: 200, duration: 11.222375ms tls:version: 304, tls:resume:false, tls:csuite:1301, tls:server:kube.teleport.cluster.local" trace.component=kubernetes