[ 4521.292489][T29191] gre: GRE over IPv4 demultiplexer driver
[ 4522.962159][T29214] ip_gre: GRE over IPv4 tunneling driver
[ 4573.229537][T29785] ip6_gre: GRE over IPv6 tunneling driver
[ 4595.194989][T30035] ping (30035) used greatest stack depth: 23440 bytes left
[ 4608.673212][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4613.600127][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4617.953112][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4623.200169][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!