[ 4562.912633][T29145] gre: GRE over IPv4 demultiplexer driver
[ 4564.628553][T29168] ip_gre: GRE over IPv4 tunneling driver
[ 4615.012922][T29742] ip6_gre: GRE over IPv6 tunneling driver
[ 4636.836365][T29992] ping (29992) used greatest stack depth: 22864 bytes left
[ 4649.955740][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4654.947709][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4659.236701][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4664.164671][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!