[ 4289.756088][T29199] gre: GRE over IPv4 demultiplexer driver
[ 4291.472971][T29222] ip_gre: GRE over IPv4 tunneling driver
[ 4341.202518][T29801] ip6_gre: GRE over IPv6 tunneling driver
[ 4362.312700][T30050] ping (30050) used greatest stack depth: 23440 bytes left
[ 4375.072370][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4380.064241][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4384.417235][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4389.408232][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!