No option to specify static IP during podman network connect command

[psaini79]

/kind bug

Description
Unable to assign static IPs with podman network connect command.

Steps to reproduce the issue:

1. Create a bridge

2. Create a container

3. Connect a network to a bridge with the static IP

Describe the results you received:
Network failed to connect with the static IP.

[root@podman-test-server opc]# podman network connect test_nw_pub1 --ip 172.16.1.150 cnt1
Error: unknown flag: --ip

Describe the results you expected:
Podman must be able to assign static IP.

Additional information you deem important (e.g. issue happens only occasionally):

Output of podman version:

Version:      2.2.1
API Version:  2
Go Version:   go1.14.12
Built:        Fri Feb 19 11:46:00 2021
OS/Arch:      linux/amd64

Output of podman info --debug:

[root@podman-test-server opc]# podman info --debug
host:
  arch: amd64
  buildahVersion: 1.18.0
  cgroupManager: systemd
  cgroupVersion: v1
  conmon:
    package: conmon-2.0.22-3.module+el8.3.1+9659+c1901784.x86_64
    path: /usr/bin/conmon
    version: 'conmon version 2.0.22, commit: 3ef8df793032fc21d5db1f32c0b3e5a73998381c'
  cpus: 4
  distribution:
    distribution: '"ol"'
    version: "8.3"
  eventLogger: file
  hostname: podman-test-server
  idMappings:
    gidmap: null
    uidmap: null
  kernel: 5.4.17-2036.102.0.2.el8uek.x86_64
  linkmode: dynamic
  memFree: 23222333440
  memTotal: 24651005952
  ociRuntime:
    name: runc
    package: runc-1.0.0-70.rc92.module+el8.3.1+9659+c1901784.x86_64
    path: /usr/bin/runc
    version: 'runc version spec: 1.0.2-dev'
  os: linux
  remoteSocket:
    path: /run/podman/podman.sock
  rootless: false
  slirp4netns:
    executable: ""
    package: ""
    version: ""
  swapFree: 4294963200
  swapTotal: 4294963200
  uptime: 14h 17m 16.53s (Approximately 0.58 days)
registries:
  search:
  - container-registry.oracle.com
  - docker.io
  - registry.fedoraproject.org
  - quay.io
  - registry.centos.org
store:
  configFile: /etc/containers/storage.conf
  containerStore:
    number: 1
    paused: 0
    running: 0
    stopped: 1
  graphDriverName: overlay
  graphOptions:
    overlay.mountopt: nodev,metacopy=on
  graphRoot: /var/lib/containers/storage
  graphStatus:
    Backing Filesystem: xfs
    Native Overlay Diff: "false"
    Supports d_type: "true"
    Using metacopy: "true"
  imageStore:
    number: 11
  runRoot: /var/run/containers/storage
  volumePath: /var/lib/containers/storage/volumes
version:
  APIVersion: "2"
  Built: 1613735160
  BuiltTime: Fri Feb 19 11:46:00 2021
  GitCommit: ""
  GoVersion: go1.14.12
  OsArch: linux/amd64
  Version: 2.2.1

Package info (e.g. output of rpm -q podman or apt list podman):

podman-2.2.1-7.0.1.module+el8.3.1+9659+c1901784.x86_64

Have you tested with the latest version of Podman and have you checked the Podman Troubleshooting Guide? (https://github.com/containers/podman/blob/master/troubleshooting.md)

Yes

Additional environment details (AWS, VirtualBox, physical, etc.):

[Luap99]

Dup of #9883