[ 4301.737397][T21511] gre: GRE over IPv4 demultiplexor driver
[ 4303.954162][T21535] ip_gre: GRE over IPv4 tunneling driver
[ 4365.724575][T22107] ip6_gre: GRE over IPv6 tunneling driver
[ 4408.178486][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4414.195363][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4419.250370][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4425.267381][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!