Fix NPE during dumpsys ethernet

Handle the case when IpClient wasn't created for network interface which
may happen for virtual device

Bug: 78482534
Test: dumpsys ethernet
Change-Id: I3405dd4f72d4a6444448f0d6ec0497aead07bade
1 file changed
tree: 501033389b2436f56a250bc3a39c62c736f68f87
  1. java/
  2. Android.mk